fazekasgy@37: /*
fazekasgy@37: 
fazekasgy@37:  * Vampy : This plugin is a wrapper around the Vamp plugin API.
fazekasgy@37:  * It allows for writing Vamp plugins in Python.
fazekasgy@37: 
fazekasgy@37:  * Centre for Digital Music, Queen Mary University of London.
fazekasgy@37:  * Copyright (C) 2008-2009 Gyorgy Fazekas, QMUL. (See Vamp sources 
fazekasgy@37:  * for licence information.)
fazekasgy@37: 
fazekasgy@37: */
fazekasgy@37: 
fazekasgy@37: #include <Python.h>
fazekasgy@37: #include "PyRealTime.h"
fazekasgy@37: #include "vamp-sdk/Plugin.h"
fazekasgy@37: #include <string>
fazekasgy@37: 
fazekasgy@37: using namespace std;
fazekasgy@37: using namespace Vamp;
fazekasgy@37: using Vamp::Plugin;
fazekasgy@37: using Vamp::RealTime;
fazekasgy@37: 
fazekasgy@37: 
fazekasgy@37: /* CONSTRUCTOR: New RealTime object from sec and nsec */
fazekasgy@37: static PyObject*
fazekasgy@37: RealTime_new(PyTypeObject *type, PyObject *args, PyObject *kw)
fazekasgy@37: {
fazekasgy@37: 	unsigned int sec = 0;
fazekasgy@37: 	unsigned int nsec = 0;
fazekasgy@37: 	double unary = 0;
fazekasgy@37: 	const char *fmt = NULL;
fazekasgy@37: 
fazekasgy@37: 	if (
fazekasgy@37: 	/// new RealTime from ('format',float) e.g. ('seconds',2.34123)   
fazekasgy@37: 	!PyArg_ParseTuple(args, "|sd:RealTime.new ", 
fazekasgy@37: 	(const char *) &fmt, 
fazekasgy@37: 	(double *) &unary) 	&&
fazekasgy@37: 
fazekasgy@37: 	/// new RealTime from (sec{int},nsec{int}) e.g. (2,34)
fazekasgy@37: 	!PyArg_ParseTuple(args, "|II:RealTime.new ", 
fazekasgy@37: 	(unsigned int*) &sec, 
fazekasgy@37: 	(unsigned int*) &nsec) 
fazekasgy@37: 		
fazekasgy@37: 	) { 
fazekasgy@37: 		PyErr_SetString(PyExc_TypeError, 
fazekasgy@37: 		"RealTime initialised with wrong arguments.");
fazekasgy@37: 		return NULL; 
fazekasgy@37: 	  }
fazekasgy@37: 
fazekasgy@37: 	// PyErr_Clear();
fazekasgy@37: 
fazekasgy@37: 	// RealTimeObject *self = PyObject_New(RealTimeObject, &RealTime_Type); 
fazekasgy@37: 	RealTimeObject *self = (RealTimeObject*)type->tp_alloc(type, 0);
fazekasgy@37: 	
fazekasgy@37: 	if (self == NULL) return NULL;
fazekasgy@37: 
fazekasgy@37: 	self->rt = NULL;
fazekasgy@37: 
fazekasgy@37: 	if (sec == 0 && nsec == 0 && fmt == 0) 
fazekasgy@37: 		self->rt = new RealTime();
fazekasgy@37: 	else if (fmt == 0)
fazekasgy@37: 		self->rt = new RealTime(sec,nsec);
fazekasgy@37: 	else { 
fazekasgy@37:         /// new RealTime from seconds or milliseconds: i.e. >>>RealTime('seconds',12.3)
fazekasgy@37: 		if (!string(fmt).compare("float") ||
fazekasgy@37: 			!string(fmt).compare("seconds"))  
fazekasgy@37: 			self->rt = new RealTime( 
fazekasgy@37: 			RealTime::fromSeconds((double) unary)); 
fazekasgy@37: 
fazekasgy@37: 		if (!string(fmt).compare("milliseconds")) {
fazekasgy@37: 			self->rt = new RealTime( 
fazekasgy@37: 			RealTime::fromSeconds((double) unary / 1000.0)); }
fazekasgy@37: 	}
fazekasgy@37: 
fazekasgy@37: 	if (!self->rt) { 
fazekasgy@37: 		PyErr_SetString(PyExc_TypeError, 
fazekasgy@37: 		"RealTime initialised with wrong arguments.");
fazekasgy@37: 		return NULL; 
fazekasgy@37: 	}
fazekasgy@37: 
fazekasgy@37: 	return (PyObject *) self;
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: /* DESTRUCTOR: delete type object */
fazekasgy@37: static void
fazekasgy@37: RealTimeObject_dealloc(RealTimeObject *self)
fazekasgy@37: {
fazekasgy@37: 	if (self->rt) delete self->rt; 	//delete the C object
fazekasgy@37: 	PyObject_Del(self); //delete the Python object (original)
fazekasgy@37: 	/// this requires PyType_Ready() which fills ob_type
fazekasgy@37: 	// self->ob_type->tp_free((PyObject*)self); 
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: /*					 RealTime Object's Methods 					*/ 
fazekasgy@37: //these are internals not exposed by the module but the object
fazekasgy@37: 
fazekasgy@37: /* Returns a Tuple containing sec and nsec values */
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_values(RealTimeObject *self)
fazekasgy@37: {
fazekasgy@37: 	return Py_BuildValue("(ii)",self->rt->sec,self->rt->nsec);
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: /* Returns a Text representation */
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_toString(RealTimeObject *self, PyObject *args)
fazekasgy@37: {
fazekasgy@37: 	return Py_BuildValue("s",self->rt->toText().c_str());
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: /* Frame representation */
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_toFrame(PyObject *self, PyObject *args)
fazekasgy@37: {
fazekasgy@37: 	unsigned int samplerate;
fazekasgy@37: 	
fazekasgy@37: 	if ( !PyArg_ParseTuple(args, "I:realtime.toFrame object ", 
fazekasgy@37: 	(unsigned int *) &samplerate )) {
fazekasgy@37: 		PyErr_SetString(PyExc_ValueError,"Integer Sample Rate Required.");
fazekasgy@37: 		return NULL;
fazekasgy@37: 	}
fazekasgy@37: 	
fazekasgy@37: 	return Py_BuildValue("k", 
fazekasgy@37: 	RealTime::realTime2Frame( 
fazekasgy@37: 	*(const RealTime*) ((RealTimeObject*)self)->rt, 
fazekasgy@37: 	(unsigned int) samplerate));
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: /* Conversion of realtime to a double precision floating point value */
fazekasgy@37: /* ...in Python called by e.g. float(realtime) */
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_float(PyObject *s)
fazekasgy@37: {
fazekasgy@37: 	double drt = ((double) ((RealTimeObject*)s)->rt->sec + 
fazekasgy@37: 	(double)((double) ((RealTimeObject*)s)->rt->nsec)/1000000000);
fazekasgy@37: 	return PyFloat_FromDouble(drt);	
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: 
fazekasgy@37: /* Type object's (RealTime) methods table */
fazekasgy@37: static PyMethodDef RealTime_methods[] = 
fazekasgy@37: {
fazekasgy@37: 	{"values",	(PyCFunction)RealTime_values,	METH_NOARGS,
fazekasgy@37: 		PyDoc_STR("values() -> Tuple of sec,nsec representation.")},
fazekasgy@37: 
fazekasgy@37: 	{"toString",	(PyCFunction)RealTime_toString,	METH_NOARGS,
fazekasgy@37: 		PyDoc_STR("toString() -> Return a user-readable string to the nearest millisecond in a form like HH:MM:SS.mmm")},
fazekasgy@37: 
fazekasgy@37: 	{"toFrame",	(PyCFunction)RealTime_toFrame,	METH_VARARGS,
fazekasgy@37: 		PyDoc_STR("toFrame(samplerate) -> Sample count for given sample rate.")},
fazekasgy@37: 
fazekasgy@37: 	{"toFloat",	(PyCFunction)RealTime_float,	METH_NOARGS,
fazekasgy@37: 		PyDoc_STR("toFloat() -> Floating point representation.")},
fazekasgy@37: 	
fazekasgy@37: 	{NULL,		NULL}		/* sentinel */
fazekasgy@37: };
fazekasgy@37: 
fazekasgy@37: 
fazekasgy@37: /*		   			 Methods implementing protocols 		   	     */ 
fazekasgy@37: // these functions are called by the interpreter 
fazekasgy@37: 
fazekasgy@37: /*					 Object Protocol 					*/
fazekasgy@37: 
fazekasgy@37: static int
fazekasgy@37: RealTime_setattr(RealTimeObject *self, char *name, PyObject *value)
fazekasgy@37: {
fazekasgy@37: 
fazekasgy@37: 	if ( !string(name).compare("sec")) { 
fazekasgy@37: 		self->rt->sec= (int) PyInt_AS_LONG(value);
fazekasgy@37: 		return 0;
fazekasgy@37: 	}
fazekasgy@37: 
fazekasgy@37: 	if ( !string(name).compare("nsec")) { 
fazekasgy@37: 		self->rt->nsec= (int) PyInt_AS_LONG(value);
fazekasgy@37: 		return 0;
fazekasgy@37: 	}
fazekasgy@37: 
fazekasgy@37: 	return -1;
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_getattr(RealTimeObject *self, char *name)
fazekasgy@37: {
fazekasgy@37: 
fazekasgy@37: 	if ( !string(name).compare("sec") ) { 
fazekasgy@37: 		return PyInt_FromSsize_t(
fazekasgy@37: 		(Py_ssize_t) self->rt->sec); 
fazekasgy@37: 	} 
fazekasgy@37: 
fazekasgy@37: 	if ( !string(name).compare("nsec") ) { 
fazekasgy@37: 		return PyInt_FromSsize_t(
fazekasgy@37: 		(Py_ssize_t) self->rt->nsec); 
fazekasgy@37: 	} 
fazekasgy@37: 
fazekasgy@37: 	return Py_FindMethod(RealTime_methods, 
fazekasgy@37: 	(PyObject *)self, name);
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: /* String representation called by e.g. str(realtime), print realtime*/
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_repr(PyObject *self)
fazekasgy@37: {
fazekasgy@37: 	return Py_BuildValue("s",
fazekasgy@37: 	((RealTimeObject*)self)->rt->toString().c_str());
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: 
fazekasgy@37: /*					 Number Protocol 					*/
fazekasgy@37: /// Only add and substract make sense, or what about the
fazekasgy@37: /// square root of Monday morning?
fazekasgy@37: /// Divide by integer maybe for durations?
fazekasgy@37: 
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_add(PyObject *s, PyObject *w)
fazekasgy@37: {
fazekasgy@37: 	RealTimeObject *result = 
fazekasgy@37:     PyObject_New(RealTimeObject, &RealTime_Type); 
fazekasgy@37: 	if (result == NULL) return NULL;
fazekasgy@37: 
fazekasgy@37: 	result->rt = new RealTime(
fazekasgy@37: 	*((RealTimeObject*)s)->rt + *((RealTimeObject*)w)->rt);
fazekasgy@37: 	return (PyObject*)result;
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: static PyObject *
fazekasgy@37: RealTime_subtract(PyObject *s, PyObject *w)
fazekasgy@37: {
fazekasgy@37: 	RealTimeObject *result = 
fazekasgy@37:     PyObject_New(RealTimeObject, &RealTime_Type); 
fazekasgy@37: 	if (result == NULL) return NULL;
fazekasgy@37: 
fazekasgy@37: 	result->rt = new RealTime(
fazekasgy@37: 	*((RealTimeObject*)s)->rt - *((RealTimeObject*)w)->rt);
fazekasgy@37: 	return (PyObject*)result;
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: static PyNumberMethods realtime_as_number = 
fazekasgy@37: {
fazekasgy@37: 	RealTime_add,			/*nb_add*/
fazekasgy@37: 	RealTime_subtract,		/*nb_subtract*/
fazekasgy@37: 	0,						/*nb_multiply*/
fazekasgy@37: 	0,				 		/*nb_divide*/
fazekasgy@37:     0,						/*nb_remainder*/
fazekasgy@37:     0,      	            /*nb_divmod*/
fazekasgy@37:     0,                   	/*nb_power*/
fazekasgy@37:     0,                  	/*nb_neg*/
fazekasgy@37:     0,                		/*nb_pos*/
fazekasgy@37:     0,                  	/*(unaryfunc)array_abs,*/
fazekasgy@37:     0,                    	/*nb_nonzero*/
fazekasgy@37:     0,                    	/*nb_invert*/
fazekasgy@37:     0,       				/*nb_lshift*/
fazekasgy@37:     0,      				/*nb_rshift*/
fazekasgy@37:     0,      				/*nb_and*/
fazekasgy@37:     0,      				/*nb_xor*/
fazekasgy@37:     0,       				/*nb_or*/
fazekasgy@37:     0,                      /*nb_coerce*/
fazekasgy@37:     0,						/*nb_int*/
fazekasgy@37:     0,				        /*nb_long*/
fazekasgy@37:     (unaryfunc)RealTime_float,/*nb_float*/
fazekasgy@37:     0,               		/*nb_oct*/
fazekasgy@37:     0,               		/*nb_hex*/
fazekasgy@37: };
fazekasgy@37: 
fazekasgy@37: /*						REAL-TIME TYPE OBJECT						*/
fazekasgy@37: 
fazekasgy@37: #define RealTime_alloc PyType_GenericAlloc
fazekasgy@37: #define RealTime_free PyObject_Del
fazekasgy@37: 
fazekasgy@37: /* Doc:: 10.3 Type Objects */ /* static */ 
fazekasgy@37: PyTypeObject RealTime_Type = 
fazekasgy@37: {
fazekasgy@37: 	PyObject_HEAD_INIT(NULL)
fazekasgy@37: 	0,						/*ob_size*/
fazekasgy@37: 	"vampy.RealTime",				/*tp_name*/
fazekasgy@37: 	sizeof(RealTimeObject),	/*tp_basicsize*/
fazekasgy@37: 	0,//sizeof(RealTime),		/*tp_itemsize*/
fazekasgy@37: 	/*	 	methods	 	*/
fazekasgy@37: 	(destructor)RealTimeObject_dealloc, /*tp_dealloc*/
fazekasgy@37: 	0,						/*tp_print*/
fazekasgy@37: 	(getattrfunc)RealTime_getattr, /*tp_getattr*/
fazekasgy@37: 	(setattrfunc)RealTime_setattr, /*tp_setattr*/
fazekasgy@37: 	0,						/*tp_compare*/
fazekasgy@37: 	RealTime_repr,			/*tp_repr*/
fazekasgy@37: 	&realtime_as_number,	/*tp_as_number*/
fazekasgy@37: 	0,						/*tp_as_sequence*/
fazekasgy@37: 	0,						/*tp_as_mapping*/
fazekasgy@37: 	0,						/*tp_hash*/
fazekasgy@37: 	0,//(ternaryfunc)RealTime_new,                      /*tp_call*/
fazekasgy@37:     0,                      /*tp_str*/
fazekasgy@37:     0,                      /*tp_getattro*/
fazekasgy@37:     0,                      /*tp_setattro*/
fazekasgy@37:     0,                      /*tp_as_buffer*/
fazekasgy@37:     Py_TPFLAGS_DEFAULT,     /*tp_flags*/
fazekasgy@37:     "RealTime Object",      /*tp_doc*/
fazekasgy@37:     0,                      /*tp_traverse*/
fazekasgy@37:     0,                      /*tp_clear*/
fazekasgy@37:     0,                      /*tp_richcompare*/
fazekasgy@37:     0,                      /*tp_weaklistoffset*/
fazekasgy@37:     0,                      /*tp_iter*/
fazekasgy@37:     0,                      /*tp_iternext*/
fazekasgy@37:     RealTime_methods,       /*tp_methods*/ //TypeObject Methods
fazekasgy@37:     0,                      /*tp_members*/
fazekasgy@37:     0,                      /*tp_getset*/
fazekasgy@37:     0,                      /*tp_base*/
fazekasgy@37:     0,                      /*tp_dict*/
fazekasgy@37:     0,                      /*tp_descr_get*/
fazekasgy@37:     0,                      /*tp_descr_set*/
fazekasgy@37:     0,                      /*tp_dictoffset*/
fazekasgy@37:     0,                      /*tp_init*/
fazekasgy@37:     RealTime_alloc,         /*tp_alloc*/
fazekasgy@37: 	RealTime_new,           /*tp_new*/
fazekasgy@37:     RealTime_free,			/*tp_free*/
fazekasgy@37:     0,                      /*tp_is_gc*/
fazekasgy@37: };
fazekasgy@37: 
fazekasgy@37: 
fazekasgy@37: 
fazekasgy@37: /*		  		 	  PyRealTime C++ API  	  		  				*/
fazekasgy@37: 
fazekasgy@37: /*PyRealTime from RealTime pointer
fazekasgy@37: PyObject* 
fazekasgy@37: PyRealTime_FromRealTime(Vamp::RealTime *rt) {
fazekasgy@37: 
fazekasgy@37: 	RealTimeObject *self =
fazekasgy@37: 	PyObject_New(RealTimeObject, &RealTime_Type); 
fazekasgy@37: 	if (self == NULL) return NULL;
fazekasgy@37: 
fazekasgy@37: 	self->rt = new RealTime(*rt);
fazekasgy@37: 	return (PyObject*) self;
fazekasgy@37: }*/
fazekasgy@37: 
fazekasgy@37: 
fazekasgy@37: /*PyRealTime from RealTime*/
fazekasgy@37: PyObject* 
fazekasgy@37: PyRealTime_FromRealTime(Vamp::RealTime& rt) {
fazekasgy@37: 
fazekasgy@37: 	RealTimeObject *self =
fazekasgy@37: 	PyObject_New(RealTimeObject, &RealTime_Type); 
fazekasgy@37: 	if (self == NULL) return NULL;
fazekasgy@37: 
fazekasgy@37: 	self->rt = new RealTime(rt);
fazekasgy@37: 	return (PyObject*) self;
fazekasgy@37: }
fazekasgy@37: 
fazekasgy@37: /*RealTime* from PyRealTime*/
fazekasgy@37: const Vamp::RealTime*
fazekasgy@37: PyRealTime_AsRealTime (PyObject *self) { 
fazekasgy@37: 
fazekasgy@37: 	RealTimeObject *s = (RealTimeObject*) self; 
fazekasgy@37: 
fazekasgy@37: 	if (!PyRealTime_Check(s)) {
fazekasgy@37: 		PyErr_SetString(PyExc_TypeError, "RealTime Object Expected.");
fazekasgy@37: 		cerr << "in call PyRealTime_AsPointer(): RealTime Object Expected. " << endl;
fazekasgy@37: 		return NULL; }
fazekasgy@37: 	return s->rt; 
fazekasgy@37: };
fazekasgy@37: